Dough dividing and working machine.



H BERTRAM DOUGHADHHDING AND WORKING MACHINE.

APPLICATION mznplac. lo. i914..

` Patented Aug. 17,1915.4

HERMANN BEETRAM, or HALLE-oN-THE-sAALE, GERMANY.

` noUGH DIvInING AND woExING MAcHINE.

Specification of Letters Patent.

Application filed December 10,1914. Serial No. 876,529.

l To all 'whom it may concern chilies, of whlch the following is a Be it known that I, HERMANN BERTRAM, a citizen Vof the German Empire, and resident of Halle-on-the-Saale, Germany, have in'- vented certain new and useful Improvements in Dough Dividing and Working Maspecification. l

- My invention relates to improvement's'in dough dividing and working machines, such as are used for molding the divided batches of dough into the form of loaves, rolls 'or the like by rolling they same between two `plates 4having circular .or similar movements relatively to each other, and the object of the improvements is to provide a machine in which the means for holding the divided dough on the bottom plate are constructed in csuchda way, that a uniform dough is prouce y With this objectl in view my invention consists in the matters to be described hereinafter and particularly pointed out in the appended claims.

For the purpose of explaining the inven- 'tion two examples embodying the same have been shown in the accompanying drawing, in which the same lettersv of reference have been used in all the views to indicate correspondin parts.

In sald drawing- Figure 1,'is a vertical section of the table for receiving the dough and the cutting and molding head, Fig. .2, is a vertical section showing a part of the table and cutting and molding head ony an enlarged scale, the leaves or rolls being shown partly molded, Fig. 3, is a similar section showing the loaves or rolls as they appear at the end of the molding operation, Fig. 4, lis a plan viewjof a modified form of the dough supporting plate, and Fig. 5 is a general view ofthe'machine, illustrating particularly themechanism for producing the circulary orfgyrfatoryl movement.

ithe general.l construction of the ma` -4 chine is known lto those skilled in the. art,

i and my invention relates more ablev bearingV 3.

vplate 4 which is so that it is rolled adapted to receive the dough.v Above the table a pressing head 5 is suitably supported which is dividedby longitudinal and transverse slits into several sections. Through the said slits cutting knives 6 in the form of a basket can be passed downward and on the plate 4. The k rods 7. The pressing tween the side walls of In the position of the 1, a batch of dough has been placed on the plate 4 and cut into sections by forcing the table 1 upward and against the pressing head 5 and the knives 6, and the sections of the dough lill `out the sections formed between the the knives 6.. The been divided into sections is now worked by imparting relative circular or gyratory nives are secured to head 1s ln'closed bea frame 9.

.movement to the table and pressing head;

that 1s to, say, a movement in which every point of the table-performs relatively to the .pressing head a movement of exactly they same shape and extentv in the form of a closed curve. f

Referring now to lthe construction to, `which my invention more particularly re# lates, the plate 4 is formed with recesses or .holes l0 one for each of the compartments provided by the knives. The extent of the circular or other gyratory movement is such that each hole will never be carried beyond the connes o f the particular compartment with which it registers, but willremain in communication with this one compartment during the entire operation. Therefore, when ,the pressing head and table areforced toward each other as has been described above, each of the said holes is filled out by dough, and after beginning the circular working or molding operation the dough is gradually pulled outof the holes, so that after a while the batches assume the forms shown in Fig. As shown in this figure, each batch 8 is being pressed by one of the knives against the side wallof the hole 10,

011 the upper circumference of the hole.` In the preferred form the holes are exactly cylindrical only at their lower portions, but their upper edges are `faceted (beveled) or rounded; still, the horizontal cross section of the holes will be circular at every point thereof (in this preferred form of the holes). Therefore `during the whole working operation the batches Patented Aug. 17, 1,915.

into the dough placed pressing head 5, the plate 4 and dough which has thusy 'retracted and brought into the mass dough.

are pressed against the walls and rounded upper parts of the holes, so that the working operation resembles very much the working by hand, and the completed loaf corresponds in form to the loaf which has been formed by hand.

As appears more particularly from Fig. 2, the part of the dough which iills out the holes 10 is retracted therefrom and enters into the mass of dough after a short working operation, sol that the rolls or loaves have a complete form, as is shown in Fig. 3. This operation is materially assisted by making the holes with rounded upper edges, because in this case the particles of dough which are within the holes are more easily The improved form of the plate 4 is suitable in machines in which the table and pressing head perform exactly circular relative movements, and also in such machines in which oval or oblong loaves are made in in Fig.

' which case the movement is not circular but oval or oblong. In the latter case I prefer to construct the plate 4 in the manner shown 4 in which the holes have oblong forms. In either case the outline of the recess'or hole will thus correspond to the outline of a horizontal cross section of the loaf.-

The pressure which is exerted on the dough by the walls of the holes and the rounded portions thereof depends on the height and breadth of the said holes. Therefore the batches ofy dough are held by the said holes more or less according to the size of the said holes. Where the batches of dough to be worked are comparatively heavy andlarge, I- use plates 4 in which the holes are comparatively deep and which are therefore comparatively thick.

By providing the platea with holes theparticles of the dough which are pressed into the same and which have the function to hold the dough in position in the working operation are retractedfrom the holes in the progress of the working operation, so that these particles also are treated in the same wayas the main part of the dough. Thereby it is' not possible, that the worked dough contains particles which have not uniformly -been treated and'which tend to become hard.

It will be observed that the holes 10 ex- 'l tend entirely through the 'plate 4, and since this plate obviously is not set air-tight upon the tkable 1, it follows that even when the upperv ends of the holes are closed by the dough, their lower ends or lower portions are open to, or in communication with, the

surrounding air. This has a two-fold advantage: First, when the dough is applied on top of the plate 4, the air is expelledfrom the holes through the dough can fill such holes with a nearer approach to complete filling than if I used the surroun their lower ends so that recesses having closed bottoms (in which case a body of air would be trapped at the bottom of each recess so as to prevent the filling'of such recess). Second, during the working of the dough, the portions ex'tending into the holes l0 are retracted much more readily because air will enter'below the dough through thelower end of the hole As an Patent No.265,960.of June 16, 1911. TheV pressing head 5 `is secured rigidly to a rod or standard 11 movable vertically within a sleeve 12 to which the knife-carrying rods 7 are secured rigidly. Oli this sleeve is mounted to swing about va horizontal pivot, i

a lever 13 provided adjacent to its pivot with l teeth in engagement with rack teeth on the rod 11. The sleeve 12. is open at one side as shown, ets 12 provided with circular sockets for the reception of circular cams 14', which are S6- cured rigidly (and eccentrically) to the lower ends 0f shafts 14, said eccentrics beingk incased in the sockets of the brackets 12 so as to support the sleeve 12 and all parts connected therewith, yet this entire mechanism is suspended Ifreely so as to perform a horizontal gyratory movement when the two shafts 14 are rotated, by means of gearing 15, from a drive shaft 16.

Y I claim herein as my invention:

1. In a dough working machine, the combination with a dough supporting member, of a dough working member disposed substantially parallel to the supporting member, and means for imparting relative working movement to the said supporting and working members, ,said supportmg member being formed at least with one hole into which a part of the dough can be pressed,

'the lower portlon of said holebeing open to ding air even when the upper end of said hole is closed.

2. In a dough working machine, the combination with a dough supporting member, of a dough working member disposed substantially parallel 'to the supporting memf ber, and means for imparting relative working movement to the saidv supporting and working members, said supporting member being formed at least with one hole with faceted upper edges into which a part' of the dough can be pressed.

3. In a dough dividing and working machine, the combination with a dough supporting member, of a dough dividing and working member disposed substantially parallel to the supporting member, and means and is connected rigidly with brackv for impartingrelative working movement.

of a dough-,working memberarranged above said supporting member, and means for parting relative Vmovement to said` memers. l f 5'.` In-a dough workinglma'chinm the com- `binati'on with -a table, of a removable dough` su porting;- plate. adapted torest on said ta le andhavingthrougheholeswhose lower `endsare Aadjacent to said, table, a dough,- workingv l ember arranged vabove said table, and means for; imparting' relative movement t`o said members.

` 6. Ina doughiworking' machine, the com t binationlwitha doughsupporting-member provided with a `recess extending from 'its upper surface and having 1a lower portion? the 'outside 'am-even,

m communication with when the upper end ofthe recessis closed byr the Ydough, t of; ka'1d'ougli-vvorking member arrangedilabovefsaid'* supporting member,

*andimeansefvffimparting relative movement `7. In alcom arted dough-'working machine,- the com inatio'n' with a com arted dough-workin member,fof a doug -supporting mem er arrangedf beneath said workingmemb'er and provlded with doug engaging f recesses, and means for impartsection of the loafing to` said members, such an extent that each recess will remain in registry with the same compartment of the working memberv during the 4entire working movement.

8. In a .comparted dough-working machine, the combination with a comparted dough-working member, of a dough-supporting member arranged beneath said working member andprovided with a plurality of recesses one foreach of the compartments of the working member, said rerelative movement of cesses being ladapted for registry with the respective. compartments of. the working member, and means for imparting vto said members, relativeI movement of such anl extent that each recess will'remain in communication with the same compartmentv of the worln'ng member during the entire Working movement. Y,

9.v` In a dough-working machine, the combination with a dough-supporting member having a recess the outline of r"which corresponds-tothe outline of a horizontal cross to bc produced, of a dough-working member arranged above said supporting member, and means for imparting'to said members, a relative movement the path of which is shaped to correspond to the outline of said recess.

In testimony whereof, I have signed this specification in the presence of two, subscribing witnesses.

HERMANN BERTRAM. 

